To masturbate, while under the influence of but not limited to say, marijuana. It is also important to point out that extreme focus is exercised.
E.G. Oh man last night I had tunnel vision as I watched back door sluts 9 and Highjacked after i toked up
by Therandy15 June 14, 2011
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Masturbating while smoking weed.

Synonyms include:
-masturblazing
-weedwhacking
-leafblowing yourself
-disappointing your parents
Mum: *walks in ur room*
You: smokes weed while cumming to thicccc girls
Mum: WHAT ARE YOU DOIN', GIMP BOI?!
You: highjacking, mum.
Mum: GET ON TOP OF THE REFRIGERATOR, RIGHT NOW!!
You: LET ME EXIST IN PEACE!
Mum: SON OF A BITCH
You: HELL YEAH, I AM!
Mum: RHIEWJFHEUIWJKDH3GWIUQJ
by Squawk_on_my_cob August 15, 2018
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The act of inhaling smoke from a bong or spliff while masturbating. Whereby the goal to climax before exhaling.
Nunny was highjacking whilst watching Star Wars.
by Polomarko January 09, 2017
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